| Ros Comain to Oberkirch | 786.62 mi (1,265.95 km) |
| Ros Comain to Obernburg am Main | 783.87 mi (1,261.51 km) |
| Ros Comain to Obernkirchen | 724.57 mi (1,166.08 km) |
| Ros Comain to Oberschleissheim | 932.87 mi (1,501.30 km) |
| Ros Comain to Oberstdorf | 914.21 mi (1,471.28 km) |
| Ros Comain to Obertraubling | 932.47 mi (1,500.67 km) |
| Ros Comain to Obertshausen | 764.73 mi (1,230.71 km) |
| Ros Comain to Oberursel | 750.44 mi (1,207.72 km) |
| Ros Comain to Ochsenfurt | 826.72 mi (1,330.48 km) |
| Ros Comain to Ochsenhausen | 875.95 mi (1,409.70 km) |
| Ros Comain to Ochtrup | 646.69 mi (1,040.74 km) |
| Ros Comain to Odenthal | 669.01 mi (1,076.66 km) |
| Ros Comain to Oelde | 692.96 mi (1,115.21 km) |
| Ros Comain to Oelsnitz | 889.86 mi (1,432.09 km) |
| Ros Comain to Oer-Erkenschwick | 660.20 mi (1,062.48 km) |
